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Project 56 (nuclear test) facts for kids

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Project 56 (nuclear test)
Information
Country United States
Test site NTS, Areas 1–4, 6–10, Yucca Flat
Period 1955–1956
Number of tests 4
Test type dry surface
Max. yield 10 tonnes of TNT (42 GJ)
Navigation
Previous test series Operation Wigwam
Next test series Operation Redwing

Operation Project 56 was a group of four nuclear tests done by the United States. These tests happened in 1955 and 1956 at the Nevada Test Site. They were done after the Operation Wigwam tests and before the Operation Redwing tests.

What Were Project 56 Tests?

These experiments were special "safety tests." Their main goal was to find out if a nuclear weapon would accidentally explode with a nuclear blast if it got damaged. This was important even if parts of the weapon's regular explosives burned or blew up by accident.

How Safety Tests Worked

To do these tests, scientists would intentionally damage the test bomb. For example, they might remove some of the wires that cause the explosion. Sometimes, they would even add extra parts to make sure the test was as challenging as possible. Then, they would try to fire the weapon normally.

If the test bomb produced any nuclear energy, it meant the safety test failed. A successful test would only show the regular chemical explosives blowing up. However, even a successful test would spread the bomb's core material over a large area, because these tests were done outdoors.

After the Tests: Plutonium Valley

More than 895 acres (362 ha) of land in Area 11 at the Nevada Test Site became covered with plutonium dust and small pieces. Plutonium is a dangerous radioactive material. This area is now known as Plutonium Valley.

Even today, Plutonium Valley is used for training. Teams practice how to check for radiation and collect samples in a real-world setting.

Project 56 Test Details

Project 56 included four separate tests. Here is a simple overview of each:

  • Test 1: This test happened on November 1, 1955. It was a safety test for a part of the TX-15/39. It was successful, meaning there was no nuclear explosion.
  • Test 2: This test took place on November 3, 1955. It was a safety test for the W-25 warhead. This test was also successful, with no nuclear yield.
  • Test 3: On November 5, 1955, scientists tested a part of the TX/W-28 weapon. This test was successful, showing no nuclear explosion.
  • Test 4: The final test was on January 18, 1956. It was another safety test for the TX/W-28 weapon. This test was a partial failure, as it produced a very small nuclear yield of 10 tonnes of TNT (42 GJ). This happened because many extra parts were added to make sure the test was very difficult.

See also

Kids robot.svg In Spanish: Proyecto 56 para niños

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